Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:20
Static task
static1
Behavioral task
behavioral1
Sample
74f4796d556e748b08e1aa34a4554575.html
Resource
win7-20231215-en
General
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Target
74f4796d556e748b08e1aa34a4554575.html
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Size
23KB
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MD5
74f4796d556e748b08e1aa34a4554575
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SHA1
e70cdce5811923062dc2ec31c73a32fcee411f1c
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SHA256
f6da88c73907ab6cc7a9d461d8201f1f77cf060dcadafc2bbebed5cce6fa4716
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SHA512
8525b531f997edec011a0d6901806117c82c032137feeb614f561aea541114a19c609447a022dbbb83b223acaa22cd690a9774b86001ec471beacb5395c86258
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SSDEEP
384:JynA4ywIW6p4dDDztvukeKXXTuHwNyFvuJKL24UTpNyOcn8tvG5nTDuU5esT8a:A1CWbtWkekcqOeKc7wV
Malware Config
Signatures
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Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{AF6F616E-BB9D-11EE-9ECD-72AE6231743A} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084458" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31084458" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2212042337" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de6221000000000200000000001066000000010000200000002fca4e9cbed1e1994e08e4c2692cbcc104d9103d44d291ada7f34f6039d89a9f000000000e80000000020000200000004be0721f505ea8dd3f3aa753cb10d7ab2abbb6358358184f67bac0a340e7446a200000000d58b695746c0f90b85cfc89efc9f3ea499fc9ccc3db45aa48ae633fc98753c640000000efd6f0d747dbe3bc8b608c7b256bad84e9a8884273d0477ecdb7f9b4f3b823c3e1fb5e0122feafd9c884dc4cfe4876bfc09a61a93edd0599f78848371b6a4b0e iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "412964617" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 508fbb84aa4fda01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000cfa71eb1212ca24fab6a788c17de622100000000020000000000106600000001000020000000d1fb30e51e2982c684dd019c55f88155b2a162d2856394af602933cbf50be028000000000e8000000002000020000000ab0f4fd1d1ea2683ad63fad9edc92b54ce373e60c861845704eb3004132b689a20000000d56d715eb59259b3c6325f2fb52bebb8078c470edeabc91a1b9139e9c80a8dbc40000000902b11a6648c941cb5a5242ab13fd7fb2a70a7955aee065c8a38a69876ade510a5384bcc7126ea43902e57bfbbba13f44258038d41e51f71b370b54836e3c760 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40bbc284aa4fda01 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31084458" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2212042337" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2215323614" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 1604 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 1604 iexplore.exe 1604 iexplore.exe 644 IEXPLORE.EXE 644 IEXPLORE.EXE 644 IEXPLORE.EXE 644 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 1604 wrote to memory of 644 1604 iexplore.exe IEXPLORE.EXE PID 1604 wrote to memory of 644 1604 iexplore.exe IEXPLORE.EXE PID 1604 wrote to memory of 644 1604 iexplore.exe IEXPLORE.EXE
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\74f4796d556e748b08e1aa34a4554575.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1604 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
471B
MD51d7f25dc2d6699e79619c31ff8908f6c
SHA1de3c1be6c3f3e7f6eadbe715ae575794e5bf1221
SHA256845c8a47772a9c534cf13a177c83c40db250a6dbbd0a369401ea884b8d058d6e
SHA5127a6e1765a31821e79b766ea0675ed17d735a40766d5fcd6cc305a8d33b8257d11e492d4ad8626f2909e1c2c2d93e8d04ed133effd0a3ec29324ec3ca36a22a1e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
404B
MD5c91fb50206d7d8bfb5adfaccff651ea3
SHA11aa43b4ab07a07b652167c9c3c763c3fe366442f
SHA256427e26222626e0147152ce983b142ab6bdc7dd74c1a7e1694ff72c9b9ad83d4a
SHA512f25332385cd874e95bbbc15f565c67b65e936af98712e8989205a01e741bfcad50ca44ffdd7ca92eecae1d68dd6e94c6aeabd21349eb31cf0bd3318a0727d6ce
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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ISEWAASI\suggestions[1].en-USFilesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee